some areas of ramsar, a city in northern iran are among the world’s wellknown inhabited areas with highest levels of natural radiation. annual exposure levels in these areas are up to 260 mgy y‐1 and the mean exposure rate is about 10 mgy y‐1 for a population of about 2000 residents. if elevated levels of natural radiation as high as a few hundred msv per year is detrimental to health and leads...

natural hazards in the form of floods, quakes, cyclones, and the like have existed since the earth has come to being. in recent decades, in spite of scientific and technological developments in forecasting incidents, building construction and crisis management have imposed heavy expenses on human societies. the importance of many natural hazards is so great that to predict the very occurrence a...

ABSTRAKKabupaten Padang Pariaman memiliki sumber daya pozzolan yang belum termanfaatkan secara optimal. Pozzolan adalah bahan mengandung senyawa silika dan alumina. Untuk pemanfaatan optimal dilakukan analisis karakterisasi potensi sebagai silika. Silika bisa dimanfaatkan untuk baku utama diberbagai industri, seperti industri gelas, keramik, katalis, pertanian pengolahan limbah. mengetahui kual...

The geological nature of the territory Republic Cuba has favoured formation large and varied deposits volcanic tuffs enriched by various species zeolites. Today, new zeolite continue to be discovered in country. This work aims present results a study carried out an unexplored area that is located approximately 1.2 km east Loma Blanca deposit, outside mining operation limits. To carry this resea...

the psychological effects and mental health issues in natural disaster is one of the most important affairs which have got less attention. there have been a great amount of health and social policies confronting with these physicaly and financially problems. this selection deals with the importance 'of mental health in natural disasters and the lack of psychiatrits psychologists and counse...

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